201121591

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{283}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 234170496

約数和(自身を除く): 33048905

約数列:

[1, 11, 23, 53, 253, 283, 583, 1219, 2809, 3113, 6509, 13409, 14999, 30899, 64607, 71599, 164989, 344977, 710677, 794947, 3794747, 8744417, 18283781, 201121591]

約数ペア:

[(1, 201121591), (11, 18283781), (23, 8744417), (53, 3794747), (253, 794947), (283, 710677), (583, 344977), (1219, 164989), (2809, 71599), (3113, 64607), (6509, 30899), (13409, 14999)]